66929392 has 10 divisors (see below), whose sum is σ = 129675728. Its totient is φ = 33464688.

The previous prime is 66929389. The next prime is 66929417. The reversal of 66929392 is 29392966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2091528 + ... + 2091559.

Almost surely, 2^66929392 is an apocalyptic number.

It is an amenable number.

66929392 is a deficient number, since it is larger than the sum of its proper divisors (62746336).

66929392 is a wasteful number, since it uses less digits than its factorization.

66929392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183095 (or 4183089 counting only the distinct ones).

The product of its digits is 314928, while the sum is 46.

The square root of 66929392 is about 8181.0385648767. The cubic root of 66929392 is about 406.0120843791.

The spelling of 66929392 in words is "sixty-six million, nine hundred twenty-nine thousand, three hundred ninety-two".